Performance monitoring
| command | availability | Explanation |
|---|---|---|
ping <URL> |
base system | Measure connection latency and reliability |
speedtest |
apt install speedtest-cli | Get connection’s upload and download speed |
SSH
| command | Explanation |
|---|---|
ssh -vT |
Get a bunch of diagnostics for a connection that isn’t working |
eval `ssh-agent -s` then ssh-add |
Add SSH passphrase, so you are not repeatedly asked for it. |
Renabling RSA Some old servers require this deprecated protocol. Re-enable it on a host-by-host basis by adding this to ~/.ssh/config
Host willslab.org.uk
User andy
PubkeyAcceptedAlgorithms +ssh-rsa
HostkeyAlgorithms +ssh-rsa